Table 1. RCSB PDB mirror sites.

Location	URL
San Diego Supercomputer Center, USA	http://www.pdb.org
Rutgers University, USA	http://rutgers.rcsb.org
National Institute of Standards and Technology, USA	http://nist.rcsb.org
Cambridge Crystallographic Data Center, UK	http://pdb.ccdc.cam.ac.uk
National University of Singapore, Singapore	http://pdb.bic.nus.edu.sg
Osaka University, Japan	http://pdb.protein.osaka-u.ac.jp
Universidade Federal de Minas Gerais, Brazil	http://www.pdb.ufmg.br
Max Delbrück Center for Molecular Medicine, Germany	http://www.pdb.mdc-berlin.de